|
Solar system by size
| Body | Mean Radius
(km) | Mean Radius
(vs. Earth) | Volume
(billion km3) | Volume
(vs. Earth)
|
| Sun | 696,000 | 109.25 | 1412 million | 1,303,781
|
| Jupiter | 69,911 | 10.97 | 1,431,280 | 1321
|
| Saturn | 58,232 | 9.14 | 827,130 | 764
|
| Uranus | 25,362 | 3.98 | 68,330 | 63.1
|
| Neptune | 24,624 | 3.87 | 62,540 | 57.7
|
| Earth | 6371.0 | 1 | 1083.21 | 1
|
| Venus | 6051.8 | 95.0% | 928.43 | 85.7%
|
| Mars | 3390.0 | 53.2% | 163.78 | 15.1%
|
| Ganymede* | 2631.2 | 41.3% | 76.30 | 7.04%
|
| Titan* | 2575 | 40.4% | 71.52 | 6.60%
|
| Mercury | 2439.7 | 38.3% | 60.85 | 5.62%
|
| Callisto* | 2410.3 | 37.8% | 58.65 | 5.41%
|
| Io* | 1821.5 | 28.6% | 25.32 | 2.34%
|
| Moon | 1737.1 | 27.3% | 21.968 | 2.03%
|
| Europa* | 1511 | 24.5% | 15.93 | 1.47%
|
| Triton* | 1353.4 | 21.2% | 10.38 | 0.96%
|
| Pluto | 1195 | 18.1% | 6.39 | 0.59%
|
| Sedna*** | 900 | 14.1% | 3.0 | 0.3%
|
| Orcus*** | 800 | 12.6% | 2.1 | 0.2%
|
| Titania** | 788.9 | 12.4% | 2.06 | 0.19%
|
| Rhea** | 764 | 12.0% | 1.87 | 0.17%
|
| Oberon* | 761.4 | 12.0% | 1.85 | 0.17%
|
| Iapetus* | 718 | 11.3% | 1.55 | 0.14%
|
| Quaoar* | 615 | 9.7% | 0.97 | 0.1%
|
| Charon* | 593 | 9.3% | 0.87 | 0.08%
|
| Umbriel* | 584.7 | 9.2% | 0.84 | 0.08%
|
| Ariel** | 578.9 | 9.1% | 0.81 | 0.08%
|
| Dione* | 560 | 8.8% | 0.73 | 0.07%
|
| Tethys** | 530 | 8.3% | 0.624 | 0.06%
|
| Varuna* | 480 | 7.7% | 0.5 | 0.05%
|
| Ceres** | 475 | 7.6% | 0.437 | 0.04%
|
| Ixion* | 465 | 7.3% | 0.61 | 0.057%
|
- * Using equatorial radius and assuming body is spherical
- ** Using three radii and assuming body is spheroid
- *** Radius is known only very approximately
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